<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta content="width=device-width, initial-scale=1.0" name="viewport">
    <title>页面错误 - 物业管理系统</title>
    <link href="https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&display=swap"
          rel="stylesheet">
    <style>
        :root {
            --primary-color: #4361ee;
            --error-color: #ef233c;
            --light-color: #f8f9fa;
            --dark-color: #212529;
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            margin: 0;
            padding: 0;
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            color: var(--dark-color);
        }

        .error-container {
            text-align: center;
            background: white;
            padding: 3rem;
            border-radius: 16px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
            max-width: 560px;
            width: 90%;
            transform: translateY(-5%);
            opacity: 0;
            animation: fadeInUp 0.6s cubic-bezier(0.39, 0.575, 0.565, 1) forwards;
        }

        .error-icon {
            font-size: 5rem;
            margin-bottom: 1.5rem;
            color: var(--error-color);
            opacity: 0.9;
        }

        .error-code {
            font-size: 4.5rem;
            font-weight: 700;
            color: var(--error-color);
            margin: 0;
            letter-spacing: -2px;
        }

        .error-message {
            font-size: 1.75rem;
            font-weight: 500;
            margin: 1.25rem 0;
            color: var(--dark-color);
        }

        .error-description {
            color: #6c757d;
            margin-bottom: 2.5rem;
            line-height: 1.8;
            font-size: 1.1rem;
            max-width: 80%;
            margin-left: auto;
            margin-right: auto;
        }

        .home-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.85rem 2.5rem;
            background: var(--primary-color);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 500;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            font-size: 1.05rem;
            position: relative;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
        }

        .home-btn:hover {
            background: #3a56d4;
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(67, 97, 238, 0.4);
        }

        .home-btn:active {
            transform: translateY(0);
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 576px) {
            .error-container {
                padding: 2rem;
            }

            .error-code {
                font-size: 3.5rem;
            }

            .error-message {
                font-size: 1.5rem;
            }
        }
    </style>
</head>
<body>
<div class="error-container">
    <div class="error-icon">⚠️</div>
    <h1 class="error-code">404</h1>
    <h2 class="error-message">页面未找到</h2>
    <p class="error-description">
        您寻找的页面可能已被移动、删除或暂时不可用。
        请检查URL拼写或返回我们的主页。
    </p>
    <a class="home-btn" href="http://localhost:8080/index.html">返回首页</a>
</div>
</body>
</html>
